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authorLinus Torvalds <torvalds@linux-foundation.org>2024-07-20 09:11:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-07-20 09:11:27 -0700
commitf557af081de6b45a25e27d633b4d8d2dbc2f428e (patch)
tree817b4a9a10f82b93aa48cb1e0d2d786091f3dd8e /Documentation/devicetree/bindings/riscv
parentd2be38b9a5514dbc7dc0c96a2a7f619fcddce00d (diff)
parent93b63f68d00a0483b450b446e2ea5386a1b94213 (diff)
Merge tag 'riscv-for-linus-6.11-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt: - Support for various new ISA extensions: * The Zve32[xf] and Zve64[xfd] sub-extensios of the vector extension * Zimop and Zcmop for may-be-operations * The Zca, Zcf, Zcd and Zcb sub-extensions of the C extension * Zawrs - riscv,cpu-intc is now dtschema - A handful of performance improvements and cleanups to text patching - Support for memory hot{,un}plug - The highest user-allocatable virtual address is now visible in hwprobe * tag 'riscv-for-linus-6.11-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (58 commits) riscv: lib: relax assembly constraints in hweight riscv: set trap vector earlier KVM: riscv: selftests: Add Zawrs extension to get-reg-list test KVM: riscv: Support guest wrs.nto riscv: hwprobe: export Zawrs ISA extension riscv: Add Zawrs support for spinlocks dt-bindings: riscv: Add Zawrs ISA extension description riscv: Provide a definition for 'pause' riscv: hwprobe: export highest virtual userspace address riscv: Improve sbi_ecall() code generation by reordering arguments riscv: Add tracepoints for SBI calls and returns riscv: Optimize crc32 with Zbc extension riscv: Enable DAX VMEMMAP optimization riscv: mm: Add support for ZONE_DEVICE virtio-mem: Enable virtio-mem for RISC-V riscv: Enable memory hotplugging for RISC-V riscv: mm: Take memory hotplug read-lock during kernel page table dump riscv: mm: Add memory hotplugging support riscv: mm: Add pfn_to_kaddr() implementation riscv: mm: Refactor create_linear_mapping_range() for memory hot add ...
Diffstat (limited to 'Documentation/devicetree/bindings/riscv')
-rw-r--r--Documentation/devicetree/bindings/riscv/cpus.yaml21
-rw-r--r--Documentation/devicetree/bindings/riscv/extensions.yaml132
2 files changed, 133 insertions, 20 deletions
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index d067f2a468ee..8edc8261241a 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -103,26 +103,7 @@ properties:
interrupt-controller:
type: object
- additionalProperties: false
- description: Describes the CPU's local interrupt controller
-
- properties:
- '#interrupt-cells':
- const: 1
-
- compatible:
- oneOf:
- - items:
- - const: andestech,cpu-intc
- - const: riscv,cpu-intc
- - const: riscv,cpu-intc
-
- interrupt-controller: true
-
- required:
- - '#interrupt-cells'
- - compatible
- - interrupt-controller
+ $ref: /schemas/interrupt-controller/riscv,cpu-intc.yaml#
cpu-idle-states:
$ref: /schemas/types.yaml#/definitions/phandle-array
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 468c646247aa..a06dbc6b4928 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -177,6 +177,13 @@ properties:
is supported as ratified at commit 5059e0ca641c ("update to
ratified") of the riscv-zacas.
+ - const: zawrs
+ description: |
+ The Zawrs extension for entering a low-power state or for trapping
+ to a hypervisor while waiting on a store to a memory location, as
+ ratified in commit 98918c844281 ("Merge pull request #1217 from
+ riscv/zawrs") of riscv-isa-manual.
+
- const: zba
description: |
The standard Zba bit-manipulation extension for address generation
@@ -220,6 +227,43 @@ properties:
instructions as ratified at commit 6d33919 ("Merge pull request #158
from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
+ - const: zca
+ description: |
+ The Zca extension part of Zc* standard extensions for code size
+ reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+ RV64 as it contains no instructions") of riscv-code-size-reduction,
+ merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+ of zc.adoc to src tree.").
+
+ - const: zcb
+ description: |
+ The Zcb extension part of Zc* standard extensions for code size
+ reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+ RV64 as it contains no instructions") of riscv-code-size-reduction,
+ merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+ of zc.adoc to src tree.").
+
+ - const: zcd
+ description: |
+ The Zcd extension part of Zc* standard extensions for code size
+ reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+ RV64 as it contains no instructions") of riscv-code-size-reduction,
+ merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+ of zc.adoc to src tree.").
+
+ - const: zcf
+ description: |
+ The Zcf extension part of Zc* standard extensions for code size
+ reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on
+ RV64 as it contains no instructions") of riscv-code-size-reduction,
+ merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed
+ of zc.adoc to src tree.").
+
+ - const: zcmop
+ description:
+ The standard Zcmop extension version 1.0, as ratified in commit
+ c732a4f39a4 ("Zcmop is ratified/1.0") of the riscv-isa-manual.
+
- const: zfa
description:
The standard Zfa extension for additional floating point
@@ -363,6 +407,11 @@ properties:
ratified in the 20191213 version of the unprivileged ISA
specification.
+ - const: zimop
+ description:
+ The standard Zimop extension version 1.0, as ratified in commit
+ 58220614a5f ("Zimop is ratified/1.0") of the riscv-isa-manual.
+
- const: ztso
description:
The standard Ztso extension for total store ordering, as ratified
@@ -381,6 +430,36 @@ properties:
instructions, as ratified in commit 56ed795 ("Update
riscv-crypto-spec-vector.adoc") of riscv-crypto.
+ - const: zve32f
+ description:
+ The standard Zve32f extension for embedded processors, as ratified
+ in commit 6f702a2 ("Vector extensions are now ratified") of
+ riscv-v-spec.
+
+ - const: zve32x
+ description:
+ The standard Zve32x extension for embedded processors, as ratified
+ in commit 6f702a2 ("Vector extensions are now ratified") of
+ riscv-v-spec.
+
+ - const: zve64d
+ description:
+ The standard Zve64d extension for embedded processors, as ratified
+ in commit 6f702a2 ("Vector extensions are now ratified") of
+ riscv-v-spec.
+
+ - const: zve64f
+ description:
+ The standard Zve64f extension for embedded processors, as ratified
+ in commit 6f702a2 ("Vector extensions are now ratified") of
+ riscv-v-spec.
+
+ - const: zve64x
+ description:
+ The standard Zve64x extension for embedded processors, as ratified
+ in commit 6f702a2 ("Vector extensions are now ratified") of
+ riscv-v-spec.
+
- const: zvfh
description:
The standard Zvfh extension for vectored half-precision
@@ -484,5 +563,58 @@ properties:
Registers in the AX45MP datasheet.
https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
+ allOf:
+ # Zcb depends on Zca
+ - if:
+ contains:
+ const: zcb
+ then:
+ contains:
+ const: zca
+ # Zcd depends on Zca and D
+ - if:
+ contains:
+ const: zcd
+ then:
+ allOf:
+ - contains:
+ const: zca
+ - contains:
+ const: d
+ # Zcf depends on Zca and F
+ - if:
+ contains:
+ const: zcf
+ then:
+ allOf:
+ - contains:
+ const: zca
+ - contains:
+ const: f
+ # Zcmop depends on Zca
+ - if:
+ contains:
+ const: zcmop
+ then:
+ contains:
+ const: zca
+
+allOf:
+ # Zcf extension does not exist on rv64
+ - if:
+ properties:
+ riscv,isa-extensions:
+ contains:
+ const: zcf
+ riscv,isa-base:
+ contains:
+ const: rv64i
+ then:
+ properties:
+ riscv,isa-extensions:
+ not:
+ contains:
+ const: zcf
+
additionalProperties: true
...